Significant Weather Advisory - A thunderstorm is indicated by Doppler weather radar, containing modest hail below 1 inch (2.
5 centimeters) diameter, and/or strong winds of 39_57 kilometers per hour (63_92 km/h). These advisories are often given on the county by county free weather alerts basis. These are released as special weather statements composed in the style of significant thunderstorm and additional http://pinterest.
com/pin/426364289693800914/ short-fused warnings, in the place of becoming an recognized merchandise free weather alerts (Steffen) itself. An entirely different format is used lightning alerts by some areas (such as WFOs inside the Mid-Atlanic) and Northeast, where in each county the thunderstorm may affect.
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